Originally Posted by gino58
eninty, pls go to this site http://www.koperformance.com/
. For my 2006 325 auto, the radiator adjusting screw is 2 per car with production dates thru 10/05 and ONLY 1 PER CAR with prod dates from 11/05. My prod date is 09/05 which explains why I have 2 radiator drain plugs. I think this confirms your opinion on your previous post that BMW changed the radiator plug on later prod models.
Thanks for solving the mystery. Not sure why they'd make that change so early in production.